Connected: An Internet Encyclopedia
RFC 1812 - 4.1 INTRODUCTION

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### 4.1 INTRODUCTION

This chapter and chapter 5 discuss the protocols used at the Internet Layer: IP, ICMP, and IGMP. Since forwarding is obviously a crucial topic in a document discussing routers, chapter 5 limits itself to the aspects of the protocols that directly relate to forwarding. The current chapter contains the remainder of the discussion of the Internet Layer protocols.

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Connected: An Internet Encyclopedia
RFC 1812 - 4.1 INTRODUCTION